<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
<style>
    body{
        margin: 0;
        padding: 0;
    }
    div{
        height: 50px;
        width: 100%;
        border-bottom: 1px solid rgb(190, 190, 190);
        border-top: 2px solid #ff8200;
        margin-top: 20px;
    }
    p{
        display: inline-block;
        height: 50px;
        width: 100px;
        text-align: center;
    }
</style>

</head>
<body>
    <div>
        <p>新浪导航</p>
        <p>新浪导航</p>
        <p>新浪导航</p>
        <p>新浪导航</p>
    </div>
</body>
</html>